MtoZ Biolabs' Bovine Serum Albumin (BSA) ELISA Kit is a high-specificity immunoassay kit developed for the quantitative detection of BSA residuals. It enables rapid and accurate quantification of BSA levels in cell culture media, biopharmaceutical products, and purified preparations. This kit is widely used in biopharmaceutical residual testing, process quality control, and immunogenicity assessment.
Product Overview
BSA is extensively used in biopharmaceutical manufacturing and laboratory research; however, its accurate quantification presents several key challenges:
1. High Cross-Reactivity Risk
BSA shares 76% amino acid sequence homology with HSA, making cross-reactivity a significant concern when antibody specificity is insufficient.
2. Wide Concentration Range
Detection must span from mg/mL-level additions in culture media down to ng/mL-level trace residuals in final products, requiring a broad dynamic range.
3. Complex Matrix Interference
Preservatives, surfactants, and high-salt matrices can all interfere with antigen-antibody binding and compromise result accuracy.
4. Denaturation Affects Immunoreactivity
Heat treatment or low-pH processing steps can alter BSA conformation, reducing immunogenicity and leading to underestimation of true BSA levels.
5. Stringent Standards Value-Assignment
Impurities or inaccurate value-assignment in reference standards directly bias quantitative results — a critical concern in regulatory submissions.
Advantages
✅ Specificity
Highly specific antibodies targeting BSA-unique epitopes demonstrate minimal cross-reactivity with HSA, effectively eliminating interference from human-derived sample components.
✅ Sensitivity
The LOD reaches the ng/mL level, meeting the requirements for trace BSA residual detection in biopharmaceutical final products in accordance with ICH Q6B guidelines.
✅ Precision
Both intra-assay and inter-assay CVs fall within acceptable ranges, delivering stable and reproducible results that support method validation documentation for regulatory submissions.
Technical Support
1. Protocol Downloads
MtoZ Biolabs provides comprehensive experimental protocols and product manuals to help ensure smooth and reproducible workflows. For access to specific documents or detailed instructions, please contact our support team.
2. Customized Service Support
Our experienced scientists offer tailored technical assistance and customized solutions based on your specific research goals, helping you achieve optimal experimental outcomes.
3. FAQ and Expert Assistance
We provide responsive and professional technical support to address your questions efficiently. Our experts are ready to help you identify and resolve experimental challenges quickly and accurately.











